Wavelength continuity constraint in differentiated reliability (DiR) WDM rings

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dc.contributor.authorFumagalli, Andreaen_US
dc.contributor.authorTacca, Marco, 1973-en_US
dc.contributor.sponsorEric Jonsson School of Engineering and Computer Science. Center for Advanced Telecommunications Systems and Services (CATSS)en_US
dc.contributor.sponsorTexas Higher Education Coordinating Boarden_US
dc.contributor.sponsorTexas Telecommunications Engineering Consortium (TxTEC)en_US
dc.contributor.sponsorNational Science Foundation (U.S.)en_US
dc.date.accessioned2013-04-18T22:40:54Z
dc.date.available2013-04-18T22:40:54Z
dc.date.created2000en_US
dc.date.issued2013-04-18
dc.description.abstractThe concept of Differentiated Reliability (DiR) was recently introduced by the authors to provide multiple reliability degrees (or classes) at the same network layer using a common protection mechanism, e.g., path switching. According to the DiR concept, each connection at the layer under consideration is guaranteed a minimum reliability degree, defined as the Maximum Failure Probability allowed for that connection. The reliability degree chosen for a given connection is thus determined by the application requirements, and not by the actual network topology, design constraints, robustness of the network components, and span of the connection. In the paper the DiR concept is applied to designing the Wavelength Division Multiplexing (WDM) layer of a ring network in which wavelength conversion is not available. To solve the routing and wavelength assignment problem at the WDM layer an efficient algorithm is proposed that resorts to reusable protection wavelengths while guaranteeing the required reliability degree of each connection. Lower bounds on the network bandwidth required by two approaches - respectively based on non-reusable and reusable protection wavelengths - reveal interesting properties of the DiR concept and the proposed algorithm.en_US
dc.identifier.bibliographicCitationFumagalli, Andrea and Marco Tacca. "Wavelength Continuity Constraint in Differentiated Reliability (DiR) WDM Rings," 2000en_US
dc.identifier.seriesNumberEE08-2000en_US
dc.identifier.urihttp://hdl.handle.net/10735.1/2586
dc.publisherThe University of Texas at Dallasen_US
dc.relation.isPartOfTechnical Report (University of Texas at Dallas. Department of Electrical Engineering)en_US
dc.rightsCC BY 3.0 (Attribution)en_US
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en_US
dc.subjectDifferentiated liabilityen_US
dc.subjectMaximum failure probabilityen_US
dc.subjectRing networks (Computer networks)en_US
dc.subjectWavelength division multiplexingen_US
dc.titleWavelength continuity constraint in differentiated reliability (DiR) WDM ringsen_US
dc.typeTexten_US
dc.type.genreTechnical reporten_US

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